. >> it does incl clud quarts that has in the been mined in cal since 1800s. we consider precious in telling the story of california in, particular, the gold rush. >> the box is seven by nine inches, encrusted with gold and quarts depicting pioneer life. some put the value at $800,000. >> a unity rally will be held tonight after neighbors received racist hate mail. the letter targeted the philippino american community in american canyon, calling the population filthy and scum. >> it's dreadful. i never thought this would happen to us. so you know, i'm just sad for the people. these are just people that have very little knowledge. >> police are now investigating, trying to locate the sender to determine whether the letter violates penal codes about hate crimes, laura anthony will be at the rally beginning at city hall. she'll have a live report with the latesthon story on abc 7 news at 5:00. >> some residents in the presidio heights neighborhood were evacuated after workers punctured a gas line. cruise working on a water line when they struck the two inch gas l